When he’s, it’s, etc. at home
phrase
Used when asking someone in a joking or sarcastic way to describe or define something strange or unfamiliar they’ve mentioned.
He called it a 'quantum squeegee'—whatever that is when it's at home.

Often appears as...
- whatever that is when it's at home
- what's that when it's at home
Usage tips
Informal
Colloquial
phrase
Used when asking someone in a joking or sarcastic way to describe or define something strange or unfamiliar they’ve mentioned.
He called it a 'quantum squeegee'—whatever that is when it's at home.

Often appears as...
- whatever that is when it's at home
- what's that when it's at home
Usage tips
Informal
Colloquial
Definition 1 of 1

Joking Tone
Used humorously to express skepticism or imply the subject is obscure, bizarre, or unfamiliar.

He's an expert in cryptobiology, whatever that is when it's at home.
Light Sarcasm
Implies playful sarcasm or irony, signaling you find what's mentioned odd or questionable.

So you're a digital prophet now? What's that when it's at home?
Colloquial Usage
It's informal and best used in casual conversation, not in formal or written contexts.

She says she's a mixologist, whatever that is when it’s at home.
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